Tokyo Cabinet is the successor of QDBM, a high performance database library similar to the DBM family. It also supports hash and B-tree databases and does not require any server process. The overall speed is improved compared to QDBM.

This is a C library to check the validity of German and Austrian Bank Account Numbers. All currently defined test methods by Deutsche Bundesbank (March 2014: 00 to E1) are implemented. Modules for AWK, Perl, PHP, Python, Ruby, C#.net and VB.net are included too.
The package includes also an IBAN converter to generate (german) IBANs and BICs from account data. All currently defined IBAN rules by Deutsche Bundesbank are implemented (Sep 2013: 54 rules) and tested against independent sources.

Ruby/LDAP is an extension library for Ruby. It provides the interface to some LDAP libraries (e.g. OpenLDAP, Netscape SDK and Active Directory). The common API for application development is described in RFC1823 and is supported by Ruby/LDAP.